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Finding the Fourth Proportional to 33,255.72, 49,882.35 and 9,881.55

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Solution

The fourth proportional to 33,255.72, 49,882.35 and 9,881.55 is: 14,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.72 : 49,882.35 = 9,881.55 : x
  2. Step 2: Convert to fraction form
    33,255.72/49,882.35 = 9,881.55/x
  3. Step 3: Cross multiply
    33,255.72x = 49,882.35 × 9,881.55
  4. Step 4: Simplify right side
    33,255.72x = 492,914,935.64
  5. Step 5: Solve for x
    x = 492,914,935.64/33,255.72
  6. Step 6: Final answer
    x = 14,821.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.